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Nanoquasicrystalline Phase in Mechanically Alloyed and Heat-Treated Al_{73}Cu_{11}Cr_{16}

100%

Sviridova T., Shevchukov A., Shelekhov E., Diakonov D., Gorshenkov M., Kaloshkin S., Tcherdyntsev V., Li Z., Fan G.

vol. 126

issue 2

599-602

X-ray diffraction analysis, scanning and transmission electron microscopy, thermal analysis and measurement of chemical composition were implemented to determine structure, thermal stability and chemical composition of the decagonal quasicrystal in Al_{73}Cu_{11}Cr_{16} alloy produced by long-term mechanical alloying of elemental powders followed by annealing at 700°C. According to the TEM investigation such a technique permits to produce a single-phase nanostructural quasicrystal with grain size about 60 nm. Differential thermal analysis revealed that the decagonal phase does not exist above 923°C and undergoes incongruent two-stage melting coming to the end at 1100°C.

Magnetic Properties and Giant Magnetoimpedance in Amorphous and Nanocrystalline Microwires

81%

Talaat A., Zhukova V., Ipatov M., Blanco J., Churyukanova M., Kaloshkin S., Kostitcyna E., Shuvaeva E., Gonzalez-Legarreta L., Hernando B., Zhukov A.

vol. 126

issue 1

146-147

We studied magnetic properties and GMI effect of Finemet-type FeCuNbSiB microwires. We observed that GMI effect and magnetic softness of microwires produced by the Taylor-Ulitovski technique, can be tailored by either controlling magnetoelastic anisotropy of as-prepared FeCuNbSiB microwires or controlling their structure by heat treatment or changing the fabrication conditions. GMI effect has been observed in as-prepared Fe-rich microwires with nanocrystalline structure.

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2 Acta Physica Polonica A

2 2014

2 Kaloshkin S.

1 Blanco J.

1 Churyukanova M.

1 Diakonov D.

1 Fan G.

1 Gonzalez-Legarreta L.

1 Gorshenkov M.

1 Hernando B.

1 Ipatov M.

1 Kostitcyna E.

1 Li Z.

1 Shelekhov E.

1 Shevchukov A.

1 Shuvaeva E.

1 Sviridova T.

1 Talaat A.

1 Tcherdyntsev V.

1 Zhukov A.

1 Zhukova V.

Search results

Nanoquasicrystalline Phase in Mechanically Alloyed and Heat-Treated Al_{73}Cu_{11}Cr_{16}

Magnetic Properties and Giant Magnetoimpedance in Amorphous and Nanocrystalline Microwires